TJA1442AT/0Z NXP

TJA1442 High-speed CAN transceiver with Standby mode Rev. 2 15 October 2021 Product data sheet 1 General description The TJA1442 is a member of the TJA144x family of transceivers that provide an interface between a Controller Area Network (CAN) or CAN FD (Flexible Data rate) protocol controller and the physical two-wire CAN bus. TJA144x transceivers implement the CAN physical layer as defined in ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5, and are fully interoperable with high-speed Classical CAN and CAN FD transceivers. All TJA144x variants enable reliable communication in the CAN FD fast phase at data rates up to 5 Mbit/s. The TJA1442 is intended as a simple replacement for high-speed Classical CAN and CAN FD transceivers, such as the TJA1042 or TJA1044GT from NXP. It offers pin compatibility and is designed to avoid changes to hardware and software design, allowing the TJA1442 to be easily retrofitted to existing applications. An AEC-Q100 Grade 0 variant, the TJR1442, is available for high temperature applications, supporting operation at 150 C ambient temperature. 1.1 TJA1442 variants The TJA1442 comes in two variants, each available in an SO8 or HVSON8 package: The TJA1442A is a high-speed CAN transceiver with Normal and Standby modes and a VIO supply pin. The VIO pin allows for direct interfacing with 3.3 V- and 5 V-supplied microcontrollers. The TJA1442B is a high-speed CAN transceiver with Normal and Standby modes. 2 Features and benefits 2.1 General ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5 and SAE J1939-14 compliant Standard CAN and CAN FD data bit rates up to 5 Mbit/s Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI) Qualified according to AEC-Q100 Grade 1 TJA1442A only: VIO input for interfacing with 3.3 V to 5 V microcontrollers All variants are available in SO8 and leadless HVSON8 (3.0 mm x 3.0 mm) packages HVSON8 with improved Automated Optical Inspection (AOI) capability. Dark green product (halogen free and Restriction of Hazardous Substances (RoHS) compliant) 2.2 Predictable and fail-safe behavior Undervoltage detection with defined handling on all supply pinsNXP Semiconductors TJA1442 High-speed CAN transceiver with Standby mode Full functionality guaranteed from the undervoltage detection thresholds up to the maximum limiting voltage values Defined behavior below the undervoltage detection thresholds Transceiver disengages from the bus (high-ohmic) when the supply voltage drops below the Off mode threshold Internal biasing of TXD and mode selection input pins, to enable defined fail-safe behavior 2.3 Low-power management Very low-current Standby mode with host and bus wake-up capability TJA1442A only: CAN wake-up receiver powered by V allowing V to be shut down IO CC CAN wake-up pattern filter time of 0.5 s to 1.8 s, meeting Classical CAN and CAN FD requirements 2.4 Protection High ESD handling capability on the bus pins (8 kV IEC and HBM) Bus pins protected against transients in automotive environments Transmit Data (TXD) dominant time-out function Thermally protected TJA1442 All information provided in this document is subject to legal disclaimers. NXP B.V. 2021. All rights reserved. Product data sheet Rev. 2 15 October 2021 2 / 33